CN101699378A - Touch panel and manufacturing method thereof - Google Patents
Touch panel and manufacturing method thereof Download PDFInfo
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- CN101699378A CN101699378A CN200910190398A CN200910190398A CN101699378A CN 101699378 A CN101699378 A CN 101699378A CN 200910190398 A CN200910190398 A CN 200910190398A CN 200910190398 A CN200910190398 A CN 200910190398A CN 101699378 A CN101699378 A CN 101699378A
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Abstract
The invention provides a touch panel, which comprises a substrate, a plurality of sensing pads, a plurality of first bridge connectors, a plurality of second bridge connectors, a plurality of first insulation patterns and a plurality of second insulation patterns. The sensing pads are arranged on the substrate. The first bridge connectors are electrically connected in series with a part of sensing pads to form a plurality of first sensing series, and extend along a first direction. The second bridge connectors are electrically connected in series with other sensing pads to form a plurality of second sensing series. The first bridge connectors are positioned between the second bridge connectors and the substrate, and each second bridge connector extends along a second direction, wherein the first direction is not parallel with the second direction. The first insulation patterns are arranged between the first bridge connectors and the second bridge connectors and expose the sensing pads. The second insulation patterns cover the second bridge connectors and expose the sensing pads.
Description
[technical field]
The present invention relates to a kind of contact panel, and particularly relates to the well-behaved contact panel of a kind of light penetration.
[background technology]
Flourish along with electronic technology, and the universalness of wireless telecommunications and network, contact panel often is employed as the man-machine interface between people and the intelligent apparatus, to carry out control.Common contact panel is in the majority with electric resistance touch-control panel and capacitance type touch-control panel.
With capacitance type touch-control panel, the design of capacitance type touch-control panel is to make to dispose a plurality of sensor pads on the substrate, and the generation of touch-control action can change the capacity effect between the sensor pad.So capacitance type touch-control panel can carry out the sensing of position of touch by such capacity effect.
In order to protect the element in the capacitance type touch-control panel, the open case CN101334702 of Chinese patent has disclosed the technology that a kind of scratch resistance layer that utilizes whole layer and anti-reflecting layer are disposed on the substrate and cover all sensor pads.In addition, the open case CN101441545 of Chinese patent also discloses and a kind ofly utilizes whole layer protective seam to cover the technology of all sensor pads.
For example, Fig. 5 has illustrated the diagrammatic cross-section of existing a kind of contact panel.Please refer to Fig. 5, contact panel 10 comprises a substrate 11, a plurality of sensor pad 12, many first bridging lines 13, many second bridging lines 14, a plurality of insulating pattern 15 and insulation courses 16.Sensor pad 12 is disposed on the substrate 11, first bridging line, 13 serial connection sensor pads 12, and second bridging line 14 also is connected in series the sensor pad 12 that partly is not plotted among the figure on perpendicular to the direction of drawing.In general, be provided with insulating pattern 15 to avoid both short circuits together between first bridging line 13 and second bridging line 14.In addition, 16 of insulation courses intactly cover all sensor pads 12, insulating pattern 15 and second bridging line 14.Insulation course 16 can be protective seam, scratch resistance layer or anti-reflecting layer.
With regard to present product design trend, contact panel 10 can be attached or be integrated in the touch control display apparatus that has demonstration and touch controllable function on the display panel with formation concurrently.In order to guarantee good display quality, the light penetration of contact panel 10 becomes the important design parameter of contact panel.Yet the configuration of insulation course 16 can reduce the light penetration of contact panel 10, and is unfavorable for the display quality of touch control display apparatus.Therefore, as if good protective action and good display characteristic can't be taken into account in these existing designs.
[summary of the invention]
The invention provides a kind of contact panel, it has good light penetration, and also all is subjected to excellent protection at the bridge circuit of contact panel the highest outstanding bridging part.
The present invention provides a kind of method for making of contact panel in addition, removes the insulation course that is positioned on the sensor pad in patterned insulation layer, so that contact panel has the good optical characteristic.
The present invention proposes a kind of contact panel, comprises a substrate.Have many many first sensing serials that are provided with along a first direction on the substrate, and many many second sensing serials that are provided with along a second direction.Each first sensing serials comprises a plurality of first sensor pads and many first bridging lines.Each first bridging line is extended electrically adjacent 2 first sensor pads of serial connection along first direction, and is laid with one first insulating pattern between adjacent first sensor pad and covers first bridging line.Each second sensing serials comprises a plurality of second sensor pads and many second bridging lines.Each second bridging line is extended electrically adjacent 2 second sensor pads of serial connection along second direction, wherein each second bridging line is arranged at the upper surface of first insulating pattern and staggered with each first bridging line, and is provided with one second insulating pattern between adjacent second sensor pad and covers second bridging line and expose second sensor pad.
In one embodiment of this invention, above-mentioned first direction and second direction perpendicular quadrature.
In one embodiment of this invention, the material of above-mentioned sensor pad is the electrically conducting transparent material.
In one embodiment of this invention, above-mentioned first insulating pattern covers first bridging line and exposes the two ends of first bridging line.
In one embodiment of this invention, the second above-mentioned insulating pattern coverage is only above first insulating pattern.
In one embodiment of this invention, the second above-mentioned insulating pattern covers whole first insulating pattern and further extends to the first bridging line upper area.
The present invention proposes a kind of method for making of contact panel in addition.At first, form many first bridging lines on a substrate, and each first bridging line is extended along a first direction.Then, form a plurality of first insulating patterns, wherein first insulating pattern covers first bridging line respectively, and exposes the two ends of each first bridging line.Afterwards, form a plurality of sensor pads and many second bridging lines, and each second bridging line is extended along a second direction.The part sensor pad directly contacts the first bridging line both ends and constitutes many first sensing serials, and other sensor pad is connected to constitute many second sensing serials by second bridging line.Then, form an insulation material layer on substrate, insulation material layer covers second bridging line and sensor pad.And, be mask with a light shield, the patterning insulation material layer covers second bridging line respectively to form a plurality of second insulating patterns, and exposes sensor pad.
In one embodiment of this invention, the method for above-mentioned formation first bridging line is included in and forms a metal level on the substrate and carry out a development etch process patterned metal layer to form first bridging line.
In one embodiment of this invention, the method for the above-mentioned formation sensor pad and second bridging line is included in and forms a transparency conducting layer on the substrate and carry out a development etch process patterned transparent conductive layer.Transparency conducting layer covers first insulating pattern, and second bridging line lays respectively on first insulating pattern.
In one embodiment of this invention, the method for above-mentioned formation second insulating pattern comprises with the light shield being that mask carries out a development etch process and removes SI semi-insulation material layer on the sensor pad to form second insulating pattern.
In one embodiment of this invention, the method for above-mentioned formation first insulating pattern is included on the substrate and forms a material layer, and carries out a development etch process and remove the part material layer to form first insulating pattern.Layer of material covers first bridging line.First insulating pattern lays respectively in first bridging line and exposes the two ends of each first bridging line.
Based on above-mentioned, in the contact panel method for making of the present invention, in patterned insulation layer, expose sensor pad and position thereof, so the sensor pad position can have good light penetration.In addition, insulating pattern provides bridging line suitable protection, so first sensing serials and first sensing serials have good signal transmitting quality.Therefore, contact panel of the present invention has had good optical quality and electrical quality concurrently.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended graphic being described in detail below.
[description of drawings]
Fig. 1 has illustrated the local schematic top plan view of the contact panel of one embodiment of the invention.
Fig. 2 is the diagrammatic cross-section of the hatching line A-A ' of Fig. 1.
Fig. 3 has illustrated the partial cutaway schematic of the contact panel of another embodiment of the present invention.
Fig. 4 has illustrated the sensor pad of other embodiment of the present invention.
Fig. 5 has illustrated the diagrammatic cross-section of existing contact panel.
[embodiment]
Fig. 1 has illustrated the local schematic top plan view of the contact panel of one embodiment of the invention, and Fig. 2 is the diagrammatic cross-section of the hatching line A-A ' of Fig. 1.Please be simultaneously with reference to Fig. 1 and Fig. 2, contact panel 100 comprises a substrate 110, a plurality of sensor pad 120, many first bridging lines 130, many second bridging lines 140, a plurality of first insulating pattern 150 and a plurality of second insulating patterns 160.
For reaching above-mentioned structure, the method for making of contact panel 100 for example can be to form many first bridging lines 130 earlier on substrate 100.The method that forms first bridging line 130 is included in and forms a metal level (not illustrating) on the substrate 100 and carry out a development etch process patterned metal layer (not illustrating) to form first bridging line 130.The material of first bridging line 130 is a metal.For instance, the material of first bridging line 130 comprises aluminium, molybdenum, neodymium, chromium or its alloy.
Because first sensing serials 170 and second sensing serials 180 of present embodiment are partly overlapping in the staggered place of first bridging line 130 and second bridging line 140.Present embodiment forms a plurality of first insulating patterns 150 to keep first sensing serials 170 and second sensing serials 180 independently electrical separately.First insulating pattern 150 lays respectively in first bridging line 130, and first insulating pattern 150 exposes the two ends of each first bridging line 130.The method that forms first insulating pattern 150 is included in the material layer (not illustrating) that forms an insulation on the substrate 100, and carries out a development etch process and remove the material layer (not illustrating) of part to form first insulating pattern 150.What deserves to be mentioned is that material layer (not illustrating) can fully not cover first bridging line 130 before the patterning.But, after the development etch process, first insulating pattern 150 lays respectively in first bridging line 130 and exposes the two ends of each first bridging line 130.In one embodiment, the height of first insulating pattern 150 for example is 2.5 μ m.
Then, form a plurality of sensor pads 120 and many second bridging lines 140.As shown in Figure 2, the direct two ends that are exposed of contact first bridging lines 130 and constitute many first sensing serials 170 of part sensor pad 120.120 of other sensor pads are connected to constitute many second sensing serials 180 by second bridging line 140.
Particularly, the method for the formation sensor pad 120 and second bridging line 140 is included in and forms a transparency conducting layer (not illustrating) on the substrate 100 and carry out a development etch process patterned transparent conductive layer (not illustrating).Transparency conducting layer (not illustrating) can fully not cover first insulating pattern 150 before the patterning.In addition, second bridging line 140 of present embodiment for example can be to form in an identical step with sensor pad 120, that is to say that second bridging line 140 is identical rete with sensor pad 120.Under such technology, each second sensing serials 180 can be integrated.
What deserves to be mentioned is that more little then between the two the capacitance coupling effect of the live width of first bridging line 130 and second bridging line 140 is more little, and help to improve the sensing sensitivity of contact panel 100.Therefore, under the permissible condition of resistance value, the live width of second bridging line 140 can moderately be dwindled to improve the quality of contact panel 100.
Most area on the substrate 110 is contained in sensor pad 120 positions.So the optical property of contact panel 100 comes down to be determined by sensor pad 120 positions.Particularly, the material of the sensor pad 120 and second bridging line 140 is the electrically conducting transparent material, and it for example can be conductive transparent materials such as indium tin oxide or indium-zinc oxide.Because sensor pad 120 is made of transparent material, so can have pretty good light penetration character.
But, the height of first insulating pattern 150 is about 2.5 μ m, and it protrudes many compared to sensor pad 120, so second bridging line 140 is the conductor assemblies that protrude most in the contact panel 100.When contact panel 100 was subjected to the contact of foreign object or collides, second bridging line 140 was easy to thereby is impaired.So in order to protect second bridging line 140, present embodiment forms a plurality of second insulating patterns 160 thereupon, covering second bridging line 140 respectively, and expose sensor pad 120.
Specifically, the method that forms second insulating pattern 160 is included in and forms an insulation material layer (not illustrating) on the substrate 100, and is that mask carries out a development etch process and removes SI semi-insulation material layer (not illustrating) on the sensor pad 120 with a light shield (not illustrating).In fact, insulation material layer (not illustrating) can cover second bridging line 140 and sensor pad 120 before patterning.In order to take the optical characteristics of contact panel 100 into account, present embodiment exposes sensor pad 120 when forming second insulating pattern 160, with the configuration of avoiding insulating material the light penetration of contact panel 100 is had negative influence.
In general, the material of first insulating pattern 150 and second insulating pattern 160 comprises silicon dioxide, silicon nitride or organic insulation respectively.In these insulating material, the cost of silicon dioxide is the highest, and silicon nitride takes second place, and organic insulation is minimum.So, in order to reduce cost of manufacture, organic insulation often selected as second insulating pattern 160 so that protective effect to be provided., with regard to the physical property of these materials, the light penetration rate of silicon dioxide is the highest, silicon nitride this it, and the light penetration of organic insulation is the poorest.Therefore, select for use the machine insulating material to make second insulating pattern 160 and may bad influence be arranged the light penetration rate of contact panel 100.
In the present embodiment, second insulating pattern 160 does not cover sensor pad 120.That is to say that most area can not be subjected to the influence of second insulating pattern 160 in the contact panel 100.So when contact panel 100 is applied in the touch control display apparatus, the light penetration character of touch control display apparatus can not cause negative influence because of second insulating pattern 160 on the contact panel 100.The contact panel 100 of present embodiment thereby good optical character can be provided and make touch control display apparatus have desirable display effect.
What deserves to be mentioned is that first bridging line 130 is to be made with metal, its position is exactly the relatively poor zone of light penetration character originally.Second bridging line 140 of present embodiment is positioned in first bridging line 130.So second insulating pattern 160 of protecting second bridging line 140 can adopt optics to penetrate the relatively poor material of character and be unlikely to influence the optical characteristics of contact panel 100 integral body.
Fig. 3 has illustrated the partial cutaway schematic of the contact panel of another embodiment of the present invention.Please refer to Fig. 3, the structural design of contact panel 200 is similar to contact panel 100 in fact.That is to say that contact panel 200 also includes elements such as substrate 110, sensor pad 120, first bridging line 130, second bridging line 140.But, second insulating pattern 260 of present embodiment further covers first bridging line 130.That is to say that second insulating pattern 260 covers whole first insulating pattern 150 and further extends to first bridging line, 130 upper areas with protection sensor pad 120 and first insulation course, 150 junctions.Thus, contact panel 200 has preferable quality.
What deserves to be mentioned is that sensor pad design of the present invention is not limited to the rhombus that Fig. 1 illustrates.Fig. 4 has illustrated the sensor pad of other embodiment of the present invention.For example, Fig. 4 has illustrated a kind of sensor pad 320 of hexagon design.Being worth mentioning is, second insulating pattern 360 among Fig. 4 is disposed at first bridging line 330 and the staggered parts of second bridging line 340 and sensor pad 320 is come out.But, in other embodiment, with different design requirements, the design of sensor pad can also be various shapes such as pentagon, octagon, circle or ellipse.No matter the design of sensor pad why, and the technology that second insulating pattern of the present invention comes out sensor pad all helps to promote the light penetration character of contact panel.
Generally speaking, under the design of invention, second bridging line and first bridging line can be subjected to the protection of second insulating pattern and make contact panel have good signal transmitting quality.Simultaneously, the sensor pad position has good light penetration, further makes contact panel have desirable optical characteristics.In addition, the material of insulating pattern can be selected more cheap kind for use and help to reduce the cost of manufacture of contact panel.So contact panel of the present invention has had quality height, physical characteristics is good and cost of manufacture is low advantage at least concurrently.
Though the present invention discloses as above with embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the invention; when doing a little change and retouching, so the present invention's protection domain attached claim person of defining after looking is as the criterion.
In the above-described embodiments, only the present invention has been carried out exemplary description, but those skilled in the art can carry out various modifications to the present invention after reading present patent application under the situation that does not break away from the spirit and scope of the present invention.
Claims (11)
1. contact panel is characterized in that:
One substrate, have on this substrate be provided with along a first direction more than bar first sensing serials, and bar second sensing serials more than being provided with along a second direction; Wherein,
Respectively this first sensing serials comprises:
A plurality of first sensor pads; And
Many first bridging lines, respectively this first bridging line is extended electrically adjacent 2 first sensor pads of serial connection along this first direction, and is provided with one first insulating pattern between adjacent first sensor pad and covers this first bridging line;
Respectively this second sensing serials comprises:
A plurality of second sensor pads; And
Many second bridging lines, respectively this second bridging line is extended electrically adjacent 2 second sensor pads of serial connection along this second direction, wherein respectively this second bridging line is arranged on this first insulating pattern and with respectively this first bridging line is staggered, and is provided with one second insulating pattern between adjacent second sensor pad and covers this second bridging line and expose this a plurality of second sensor pads.
2. contact panel according to claim 1 is characterized in that: this first direction and this second direction perpendicular quadrature.
3. contact panel according to claim 1 is characterized in that: the material of these a plurality of sensor pads is an electrically conducting transparent material.
4. contact panel according to claim 1 is characterized in that: these a plurality of first insulating patterns cover these many first bridging lines and expose the two ends of these many first bridging lines.
5. contact panel according to claim 1 is characterized in that: these a plurality of second insulating pattern coverages are only above these a plurality of first insulating patterns.
6. contact panel according to claim 1 is characterized in that: these a plurality of second insulating patterns cover whole first insulating pattern and further extend to these many first bridging line upper areas.
7. the method for making of a contact panel is characterized in that:
Form many first bridging lines on a substrate, respectively this first bridging line is extended along a first direction;
Form a plurality of first insulating patterns, these a plurality of first insulating patterns cover respectively on these many first bridging lines, and expose the respectively two ends of this first bridging line;
Form a plurality of sensor pads and many second bridging lines, respectively this second bridging line is extended along a second direction, these a plurality of sensor pads of part directly contact the two ends of these many first bridging lines and constitute many first sensing serials, and other sensor pad is connected to constitute many second sensing serials by these many second bridging lines;
Form an insulation material layer on this substrate, this insulation material layer covers these many second bridging lines and this a plurality of sensor pads; And
With a light shield is mask, and this insulation material layer of patterning covers these many second bridging lines respectively, and exposes this a plurality of sensor pads to form a plurality of second insulating patterns.
8. the method for making of contact panel according to claim 7 is characterized in that the method that forms these many first bridging lines comprises:
On this substrate, form a metal level; And
Carry out this metal level of development etch process patterning to form these many first bridging lines.
9. the method for making of contact panel according to claim 7 is characterized in that the method that forms these a plurality of first insulating patterns comprises:
On this substrate, form a material layer, these many first bridging lines of this layer of material covers; And
Carry out a development etch process and remove this material layer of part to form these a plurality of first insulating patterns, wherein these a plurality of first insulating patterns lay respectively in these many first bridging lines and expose the respectively two ends of this first bridging line.
10. the method for making of contact panel according to claim 7 is characterized in that the method that forms these a plurality of sensor pads and these many second bridging lines comprises:
Form a transparency conducting layer on this substrate, this transparency conducting layer covers these a plurality of first insulating patterns; And
Carry out this transparency conducting layer of development etch process patterning to form these a plurality of sensor pads and these many second bridging lines, wherein these many second bridging lines lay respectively on these a plurality of first insulating patterns.
11. the method for making of contact panel according to claim 7, it is characterized in that the method that forms these a plurality of second insulating patterns comprises that with this light shield be mask, carry out a development etch process and remove this insulation material layer of part on these a plurality of sensor pads to form these a plurality of second insulating patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101903989A CN101699378B (en) | 2009-09-23 | 2009-09-23 | Touch panel and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101903989A CN101699378B (en) | 2009-09-23 | 2009-09-23 | Touch panel and manufacturing method thereof |
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| CN101699378A true CN101699378A (en) | 2010-04-28 |
| CN101699378B CN101699378B (en) | 2012-06-20 |
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| CN2009101903989A Expired - Fee Related CN101699378B (en) | 2009-09-23 | 2009-09-23 | Touch panel and manufacturing method thereof |
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| CN102360258A (en) * | 2011-09-30 | 2012-02-22 | 汕头超声显示器（二厂）有限公司 | Monolithic capacitive touch screen and production method thereof |
| CN102375635A (en) * | 2010-08-18 | 2012-03-14 | 乐金显示有限公司 | Touch screen panel and method of manufacturing the same |
| CN102446012A (en) * | 2010-09-30 | 2012-05-09 | 联胜（中国）科技有限公司 | Touch panel structure and touch display panel |
| CN102646000A (en) * | 2012-03-02 | 2012-08-22 | 华映光电股份有限公司 | Manufacturing method of touch panel |
| CN102707859A (en) * | 2012-06-18 | 2012-10-03 | 汕头超声显示器（二厂）有限公司 | One-piece capacitance touch screen for preventing mis-touch and manufacturing method for one-piece capacitance touch screen |
| CN102760018A (en) * | 2012-06-18 | 2012-10-31 | 汕头超声显示器（二厂）有限公司 | Touch-control error prevention monolithic capacitive touch panel |
| CN103207710A (en) * | 2012-01-11 | 2013-07-17 | 深圳新视界光电技术有限公司 | Capacitive touch screen and preparation method thereof |
| TWI475285B (en) * | 2012-02-23 | 2015-03-01 | Chunghwa Picture Tubes Ltd | Method of fabricating a touch panel |
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| TWI553534B (en) * | 2014-10-09 | 2016-10-11 | 友達光電股份有限公司 | Capacitive touch panel, method of fabricating capacitive touch panel and touch display device |
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| JP2007172025A (en) * | 2005-12-19 | 2007-07-05 | Matsushita Electric Ind Co Ltd | Touch panel |
| CN201078769Y (en) * | 2007-04-27 | 2008-06-25 | 宸鸿光电科技股份有限公司 | Touch control drawing structure of capacitance type touch control plate |
| CN101334702A (en) * | 2007-06-28 | 2008-12-31 | 触控科技有限公司 | Transparent touching control panel device |
| CN101441545A (en) * | 2008-12-08 | 2009-05-27 | 中国南玻集团股份有限公司 | Capacitance type touch control screen and manufacturing method thereof |
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- 2009-09-23 CN CN2009101903989A patent/CN101699378B/en not_active Expired - Fee Related
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| CN102375635B (en) * | 2010-08-18 | 2014-11-12 | 乐金显示有限公司 | Touch screen panel and method of manufacturing the same |
| CN102446012A (en) * | 2010-09-30 | 2012-05-09 | 联胜（中国）科技有限公司 | Touch panel structure and touch display panel |
| CN102446012B (en) * | 2010-09-30 | 2015-04-08 | 联胜（中国）科技有限公司 | Touch panel structure and touch display panel |
| CN102360258A (en) * | 2011-09-30 | 2012-02-22 | 汕头超声显示器（二厂）有限公司 | Monolithic capacitive touch screen and production method thereof |
| CN102360258B (en) * | 2011-09-30 | 2014-06-18 | 汕头超声显示器（二厂）有限公司 | Monolithic capacitive touch screen and production method thereof |
| CN103207710B (en) * | 2012-01-11 | 2016-05-04 | 宜昌南玻显示器件有限公司 | Capacitive touch screen and preparation method thereof |
| CN103207710A (en) * | 2012-01-11 | 2013-07-17 | 深圳新视界光电技术有限公司 | Capacitive touch screen and preparation method thereof |
| TWI475285B (en) * | 2012-02-23 | 2015-03-01 | Chunghwa Picture Tubes Ltd | Method of fabricating a touch panel |
| CN102646000B (en) * | 2012-03-02 | 2015-09-09 | 华映光电股份有限公司 | The manufacture method of contact panel |
| CN102646000A (en) * | 2012-03-02 | 2012-08-22 | 华映光电股份有限公司 | Manufacturing method of touch panel |
| CN102760018A (en) * | 2012-06-18 | 2012-10-31 | 汕头超声显示器（二厂）有限公司 | Touch-control error prevention monolithic capacitive touch panel |
| CN102760018B (en) * | 2012-06-18 | 2015-10-28 | 汕头超声显示器（二厂）有限公司 | The monolithic capacitive touch screen of Touch-control error prevention |
| CN102707859B (en) * | 2012-06-18 | 2015-10-28 | 汕头超声显示器（二厂）有限公司 | A kind of monolithic capacitive touch screen of Touch-control error prevention and manufacture method thereof |
| CN102707859A (en) * | 2012-06-18 | 2012-10-03 | 汕头超声显示器（二厂）有限公司 | One-piece capacitance touch screen for preventing mis-touch and manufacturing method for one-piece capacitance touch screen |
| TWI553534B (en) * | 2014-10-09 | 2016-10-11 | 友達光電股份有限公司 | Capacitive touch panel, method of fabricating capacitive touch panel and touch display device |
| CN105988647A (en) * | 2015-02-05 | 2016-10-05 | 汕头超声显示器技术有限公司 | Capacitive touch screen manufacturing method with less procedure |
| CN105988647B (en) * | 2015-02-05 | 2019-01-22 | 汕头超声显示器技术有限公司 | A kind of less capacitance touch screen manufacturing method of processing procedure |
| CN111857397A (en) * | 2019-04-25 | 2020-10-30 | 纬创资通股份有限公司 | Touch panel |
| CN111857397B (en) * | 2019-04-25 | 2024-04-05 | 纬创资通股份有限公司 | Touch panel |
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